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Finding the Fourth Proportional to 144,507.60, 216,782.15 and 44,675.57

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Solution

The fourth proportional to 144,507.60, 216,782.15 and 44,675.57 is: 67,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,507.60 : 216,782.15 = 44,675.57 : x
  2. Step 2: Convert to fraction form
    144,507.60/216,782.15 = 44,675.57/x
  3. Step 3: Cross multiply
    144,507.60x = 216,782.15 × 44,675.57
  4. Step 4: Simplify right side
    144,507.60x = 9,684,866,435.65
  5. Step 5: Solve for x
    x = 9,684,866,435.65/144,507.60
  6. Step 6: Final answer
    x = 67,019.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.